29271452089 has 4 divisors (see below), whose sum is σ = 31932493200. Its totient is φ = 26610410980.

The previous prime is 29271452039. The next prime is 29271452107. The reversal of 29271452089 is 98025417292.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29271452089 - 2⁷ = 29271451961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29271452029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330520539 + ... + 1330520560.

It is an arithmetic number, because the mean of its divisors is an integer number (7983123300).

Almost surely, 2^29271452089 is an apocalyptic number.

It is an amenable number.

29271452089 is a deficient number, since it is larger than the sum of its proper divisors (2661041111).

29271452089 is a wasteful number, since it uses less digits than its factorization.

29271452089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661041110.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 29271452089 in words is "twenty-nine billion, two hundred seventy-one million, four hundred fifty-two thousand, eighty-nine".